Matter
A state of matter that does not have its own shape or definite volume.
What is a gas?
The movement of energy from one object to another or the change of energy from one form to another.
What is energy transfer?
How living things act.
What are behavioral traits?
The force of attraction between any two objects due to their mass.
What is gravity?
A collection of billions of stars, dust and gas that is held together by gravity.
What is a galaxy?
A state of matter that has a definite volume but no definite shape.
What is a liquid?
Forces that act together on an object without changing its motion.
What are balanced forces?
An inherited behavior that an animal does not have to learn.
What are instincts?
A chunk of rock from space that travels through Earth’s atmosphere.
What is a meteor?
Any of the patterns of stars that can be seen in the night sky from here on Earth.
What is a constellation?
A state of matter that has a definite shape and volume.
What is a solid?
A force that opposes the motion of one object moving past another.
What is friction?
An action or movement of the body that happens automatically as a reaction to something.
What is a reflex?
A meteor that strikes the Earth's surface.
What is a meteorite?
The distance light travels in a year.
What is a light-year?
A characteristic of matter that can be observed, measured, or tested.
What is a physical state?
A noncontact force that pulls objects. Here on Earth, a force pulling toward the center of Earth.
What is gravity?
A characteristic that an organism develops due to its environment.
What is an acquired trait?
The regular rise and fall of the water level along a shoreline.
What are tides?
An object in space that produces its own energy, including heat and light.
What is a star?
A physical combination of two or more substances that are blended together without forming new substances.
What is a mixture?
Forces that do not cancel each other out and that cause an object to change its motion.
What are unbalanced forces?
A trait that can be passed from parents to offspring.
What is an inherited trait?
The apparent shapes of the Moon in the sky.
What are moon phases?
A particular kind of matter.
What is a substance?
Excess water that flows over Earth's surface from a storm or flood.
The child or young of a particular human, animal, or plant.
What are offspring?
The path an object takes as it travels around another object.
What is an orbit?
A scientific rule that states that matter is neither created nor destroyed during a change.
What is the law of conservation of matter?
The continuous movement of water between Earth’s surface and the air, changing from liquid into gas into liquid.
What is the water cycle?
A living thing.
What is an organism?
One complete trip around an object in a circular or nearly circular path.
What is a revolution?
A mixture of substances that are blended so completely that the mixture looks the same everywhere.
What is a solution?
To have contact with something through touch or actions.
What is an interaction?
A living thing that makes offspring.
What is a parent?
This occurs when the Earth, Moon, and Sun align in specific ways. These are named by what they block out.
What is an eclipse?
A process used to find out the nature or quality of something.
What is a test?
The process where organisms that are best suited to their environment survive and pass on traits to their offspring.
What is natural selection?
A complete spin on an axis.
What is rotation?
An adaptation in which one kind of organism has similar traits to another.
What is mimicry?